425497 - LFARK 400B VC 3/4 - 1" Relief Valve Cover Kit

This is a relief valve cover kit for the 3/4 - 1" Ames 400B reduced pressure zone backflow preventer. This kit includes the cover and cover O-ring to replace your warped or cracked cover. Be sure to lube all O-rings before installation. Genuine Ames repair parts. No special tools are required for servicing.